In right triangle `ABC. B C=7c m ,A C-A B=1cm and angleB=90^@.` The value of `cos A+cosB + cos
73 views · Published 13 October 2018 · 4:43 · Indexed 7 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW In right triangle `ABC. B C=7c m ,A C-A B=1cm and angleB=90^@.` The value of `cos A+cosB + cosC` is :
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